178:    function buyCreditMarket(BuyCreditMarketParams calldata params) external payable override(ISize) whenNotPaused {
...
184:        state.validateVariablePoolHasEnoughLiquidity(amount); // @audit: liquidity check
188:    function sellCreditMarket(SellCreditMarketParams memory params) external payable override(ISize) whenNotPaused {
...
194:        state.validateVariablePoolHasEnoughLiquidity(amount); // @audit: liquidity check
67:    function validateVariablePoolHasEnoughLiquidity(State storage state, uint256 amount) public view {
68:        uint256 liquidity = state.data.underlyingBorrowToken.balanceOf(address(state.data.variablePool)); // @audit: ATokens hold liquidity, not variablePool
69:        if (liquidity < amount) {
70:            revert Errors.NOT_ENOUGH_BORROW_ATOKEN_LIQUIDITY(liquidity, amount);
71:        }
52:  function executeSupply(
...
67:    IERC20(params.asset).safeTransferFrom(msg.sender, reserveCache.aTokenAddress, params.amount);
106:  function executeWithdraw(
...
139:    IAToken(reserveCache.aTokenAddress).burn(
140:      msg.sender,
141:      params.to,
142:      amountToWithdraw,
143:      reserveCache.nextLiquidityIndex
144:    );
96:   function burn(
97:     address from,
98:     address receiverOfUnderlying,
99:     uint256 amount,
100:    uint256 index
101:  ) external virtual override onlyPool {
102:    _burnScaled(from, receiverOfUnderlying, amount, index);
103:    if (receiverOfUnderlying != address(this)) {
104:      IERC20(_underlyingAsset).safeTransfer(receiverOfUnderlying, amount);
67:    function supply(address asset, uint256 amount, address onBehalfOf, uint16) external {
68:        Data memory data = datas[asset];
69:        IERC20Metadata(asset).transferFrom(msg.sender, address(this), amount); // @audit: underlying transferred from supplier to PoolMock contract
70:        data.aToken.mint(address(this), onBehalfOf, amount, data.reserveIndex);
71:    }
72:
73:    function withdraw(address asset, uint256 amount, address to) external returns (uint256) {
74:        Data memory data = datas[asset];
75:        data.aToken.burn(msg.sender, address(data.aToken), amount, data.reserveIndex); // @audit: no assets transferred from AToken
76:        IERC20Metadata(asset).safeTransfer(to, amount); // @audit: underlying transferred from PoolMock contract to supplier
77:        return amount;
78:    }
diff --git a/./test/local/actions/BuyCreditLimit.t.sol b/./test/local/actions/BuyCreditLimit.t.sol
index a8c6317..66dd63e 100644
--- a/./test/local/actions/BuyCreditLimit.t.sol
+++ b/./test/local/actions/BuyCreditLimit.t.sol
@@ -23,6 +23,9 @@ contract BuyCreditLimitTest is BaseTest {
         assertTrue(_state().alice.user.loanOffer.isNull());
         _buyCreditLimit(alice, block.timestamp + 12 days, YieldCurveHelper.pointCurve(12 days, 1.01e18));
         assertTrue(!_state().alice.user.loanOffer.isNull());
+        address aToken = variablePool.getReserveData(address(usdc)).aTokenAddress;
+        assertEq(usdc.balanceOf(address(variablePool)), 100e6);
+        assertEq(usdc.balanceOf(aToken), 0);
     }
diff --git a/./src/libraries/CapsLibrary.sol b/./src/libraries/CapsLibrary.sol
index 7e35e90..b7ce7a1 100644
--- a/./src/libraries/CapsLibrary.sol
+++ b/./src/libraries/CapsLibrary.sol
@@ -65,9 +65,11 @@ library CapsLibrary {
     /// @param state The state struct
     /// @param amount The amount of cash to withdraw
     function validateVariablePoolHasEnoughLiquidity(State storage state, uint256 amount) public view {
-        uint256 liquidity = state.data.underlyingBorrowToken.balanceOf(address(state.data.variablePool));
+        address aToken = state.data.variablePool.getReserveData(address(state.data.underlyingBorrowToken)).aTokenAddress;
+        uint256 liquidity = state.data.underlyingBorrowToken.balanceOf(aToken);
         if (liquidity < amount) {
             revert Errors.NOT_ENOUGH_BORROW_ATOKEN_LIQUIDITY(liquidity, amount);
         }
     }
 }
